3077961857 has 2 divisors, whose sum is σ = 3077961858. Its totient is φ = 3077961856.

The previous prime is 3077961827. The next prime is 3077961899. The reversal of 3077961857 is 7581697703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3054883441 + 23078416 = 55271^2 + 4804^2 .

It is a cyclic number.

It is not a de Polignac number, because 3077961857 - 2⁶ = 3077961793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3077961799 and 3077961808.

It is not a weakly prime, because it can be changed into another prime (3077961827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1538980928 + 1538980929.

It is an arithmetic number, because the mean of its divisors is an integer number (1538980929).

Almost surely, 2^3077961857 is an apocalyptic number.

It is an amenable number.

3077961857 is a deficient number, since it is larger than the sum of its proper divisors (1).

3077961857 is an equidigital number, since it uses as much as digits as its factorization.

3077961857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2222640, while the sum is 53.

The square root of 3077961857 is about 55479.3822694521. The cubic root of 3077961857 is about 1454.6362670180.

The spelling of 3077961857 in words is "three billion, seventy-seven million, nine hundred sixty-one thousand, eight hundred fifty-seven".